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lightrag-memgraph: pin lightrag-hku to 1.5.4, unblocking e2e tests - #254
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1.5.5 (published 2026-07-31, same day as PR #248) added new @AbstractMethod requirements to DocStatusStorage as part of a "memory- bounded scheduling" overhaul upstream (get_docs_by_statuses_page, get_docs_by_ids, get_full_docs_by_ids, resolve_doc_source_strict). MemgraphDocStatusStorage doesn't implement them yet, so constructing a real LightRAG instance raises TypeError -- breaking every real-LLM e2e test in unstructured2graph and sessions-graph, in CI and locally (#250). Pins lightrag-hku==1.5.4 (previously an open >=1.5,<1.6 floor) until the new interface is implemented. Also updates uv.lock, which had drifted noticeably out of sync with pyproject.toml's already-committed versions (lightrag-memgraph, mcp-memgraph, memgraph-toolbox, sessions-graph, unstructured2graph all resolved to stale pins before this). Verified: all real-LLM e2e tests pass again (unstructured2graph's test_e2e_lightrag.py, sessions-graph's test_e2e_reconciliation.py), full 5-package suite green (218 tests). #250 stays open to track the real fix: implementing the new DocStatusStorage interface so lightrag-hku can be unpinned.
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Locking
lightrag-hkuto1.5.4—1.5.5brokeMemgraphDocStatusStoragecompatibility (see #250 for the real fix).